... 8V] 1pcs x USB charger The eGo Twist is the advanced version of the Ego-C Battery. The circuit was modified to enable ... to adjust the voltage you are vaping at. This battery has 8 settings and the nob will change the voltage ... in .2 V increments.This battery also comes with the lock and unlock feature where you ... ; <15 days for OEM order. new products for 2012 ego c twist battery